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发明名称
Perfeccionamientos en la construcción de las ruedas de automóviles y de ferrocarriles
摘要
申请公布号
ES67031(Y)
申请公布日期
1961.11.01
申请号
ES19310000670U
申请日期
1957.07.08
申请人
VALERIANO Y FINAT, MIGUEL
发明人
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主分类号
代理机构
代理人
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